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Finding the Third Proportional to 16,861,072 and 36,376,352

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Solution

The third proportional to 16,861,072 and 36,376,352 is: 78,478,935.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,861,072 : 36,376,352 = 36,376,352 : x
  2. Step 2: Convert to fraction form
    16,861,072/36,376,352 = 36,376,352/x
  3. Step 3: Cross multiply
    16,861,072x = 36,376,352 × 36,376,352
  4. Step 4: Simplify right side
    16,861,072x = 1,323,238,984,827,904
  5. Step 5: Solve for x
    x = 1,323,238,984,827,904/16,861,072
  6. Step 6: Final answer
    x = 78,478,935.67

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.